Across
- 3. any chemical an organism must have to live, grow, or reproduce.
- 5. low to moderate industrialization.
- 6. variety of different species, variability of genes among individuals, a variety of ecosystems, and functions such as energy flow and matter cycling.
- 9. human beliefs about what is right or wrong with how we treat the environment.
- 12. resource that can be replenished rapidly through natural processes as long as it is not used up faster than replenished.
- 14. ability of the earth's various systems, including human culture and economics, to survive and adapt to changing environmental conditions indefinitely.
- 17. natural resources and services that keep us and other species alive and support our economics.
- 18. growth in which some quantity, such as population size or economic output, increases at a constant rate per unit of time.
- 21. the circulation of chemicals necessary for life from the environment through organisms and back to the environment.
- 24. the parts of the earth's air, water, and soil where life is found.
- 26. depletion or destruction of a potentially renewable resources.
- 27. resource that exists in fixed amounts in the earth's crust that take very very long periods of time to form or create.
- 28. biological science that studies relationships between living organisms and their environment.
Down
- 1. highest rate at which a potentially renewable resource can be used indefinitely without reducing available supply.
- 2. all external conditions, factors, matter, and energy, living and nonliving, that affect any living organisms or other specified system.
- 4. a social movement dedicated to protecting the earth's life-supporting systems for us and other species.
- 7. groups of similar organisms.
- 8. amount of biologically productive land and water needed to supply a population with renewable resources and to absorb or dispose of the pollution and wastes from such resource use.
- 10. payment intended to help a business grow and thrive, provided by the government in the form of grants or tax breaks.
- 11. natural services or natural capital that support life on earth and are essential to the quality of human life and the functioning of the world's economies.
- 13. one or more communities of different species interacting with one another and with the chemical and physical factors making up their nonliving environment.
- 15. things like solar energy that can be renewed continuously.
- 16. interdisciplinary study that uses information and ideas from the physical sciences to learn how nature works, how we interact with the environment, and how we can help deal with environmental problems.
- 19. the ability of a productive ecosystem to regenerate renewable resources.
- 20. lands typically owned jointly by the citizens of a country but managed by the government.
- 22. materials such as air, water, and soil and enery in nature that areessential or useful to humans.
- 23. highly industrialized.
- 25. land owned by individuals or businesses.